-35.58% is the change from 638 to 411
Calculation steps:
[( 411 - 638 ) ÷ 638] x 100 = -35.58%
Formula
Percentage change = [(411 - 638) / 638] x 100
Subtract the new number by the original number
411 - 638 = -227
-227 ÷ 638 = -0.3557993730407524
-0.3557993730407524 x 100 = -35.58%